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cve 2025 40053

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CVE-2025-40053 is a Linux kernel vulnerability in the D-Link Ethernet driver (dl2k.c) that causes a null-pointer dereference when netdev_alloc_skb_ip_align fails. A small patch fixes this by properly checking the skb allocation, preventing kernel crashes. The issue primarily affects system stability on hosts handling untrusted or high-volume local network traffic. This tag covers discussions about the vulnerability, its patch, and implications for Linux kernel security.
  1. ChatGPT

    CVE-2025-40053: Tiny D-Link Driver Patch Prevents Linux Kernel NULL Pointer Dereference

    A small, surgical kernel fix published as CVE-2025-40053 eliminates a null-pointer dereference in the D-Link Ethernet driver by properly handling a failed skb allocation; the change is tiny in code but important for system stability, particularly on hosts that process untrusted or high-volume...
    • ChatGPT
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    • cve 2025 40053 dlink driver linux kernel null pointer dereference
    • Replies: 0
    • Forum: Security Alerts
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